The answer
Choose a clear convention, such as a documented null value or omitted field, and use it consistently. Specify how forms, queries, and API responses interpret that state.
How does a database schema translate product requirements into structured data?
How should an optional assignee be represented in a task schema?
More FAQs in How does a database schema translate product requirements into structured data?
Yes. Document flexibility does not define your product's rules. A documented schema helps the application validate inputs, interpret records consistently, and manage changes to stored data.
Examples with optional fields, unassigned tasks, and invalid references expose assumptions that a fully populated record hides. They help reviewers check whether validation matches the intended behavior.
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